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Arsenopalladinite

Pictures (2 Images total)

Arsenopalladinit mit Sperrylith, Kotulskit, Godlevskit, Bornit, Millerit, Chalkopyrit etc.
Views (File:
1579971573
): 1265
Arsenopalladinit mit Sperrylith, Kotulskit, Godlevskit, Bornit, Millerit, Chalkopyrit etc.
Erzschliff mit Arsenopalladinit mit Sperrylith, Kotulskit, Godlevskit, Bornit, Millerit, Chalkopyrit etc. aus der Norilsk I Lagerstätte in Russland. Analysiert von Prof. N. Rudashevsky, Petersburg.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: Erz-Aspa-2-1-17
Location: Russland/Sibirien, Föderationskreis/Krasnojarsk (Krasnojarski), Krai/Taimyrhalbinsel (Tajmyr)/Putoran-Plateau/Noril'sk
Mineral: Arsenopalladinite, Godlevskite, Kotulskite, Sperrylite
Image: 1579971573
License: Usage for Mineralienatlas project only
Arsenopalladinit mit Sperrylith, Kotulskit, Godlevskit, Bornit, Millerit, Chalkopyrit etc. (SNr: Erz-Aspa-2-1-17)

Erzschliff mit Arsenopalladinit mit Sperrylith, Kotulskit, Godlevskit, Bornit, Millerit, Chalkopyrit etc. aus der Norilsk I Lagerstätte in Russland. Analysiert von Prof. N. Rudashevsky, Petersburg.

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2020-01-25
Locality: Noril'sk / Putoran-Plateau / Taimyrhalbinsel (Tajmyr) / Krasnojarsk (Krasnojarski), Krai / Sibirien, Föderationskreis / Russland
Arsenopalladinit
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Arsenopalladinit
Arsenopalladinit (ohne Maßstab, SEM/EDX analysiert) von der Typlokalität Itabira (Minas Gerais, Brasilien). Ex Van den Broucke Sammlung (sh.: https://www.mindat.org/mesg-560223.html).
Copyright: Wikipedia-user: David Hospital; Contribution: oliverOliver
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Itabira
Mineral: Arsenopalladinite
Image: 1703362702
License: Creative Commons - Attribution-ShareAlike 4.0 International  (CC BY-SA) V.4.0
Arsenopalladinit  E
Analysed with energy dispersive X-ray spectroscopy EDX

Arsenopalladinit (ohne Maßstab, SEM/EDX analysiert) von der Typlokalität Itabira (Minas Gerais, Brasilien). Ex Van den Broucke Sammlung (sh.: https://www.mindat.org/mesg-560223.html).

Copyright: Wikipedia-user: David Hospital
Contribution: oliverOliver 2023-12-23
Locality: Itabira / Minas Gerais / Südosten (Região Sudeste) / Brasilien

Collectors Summary

Color weiß mit gelblich cremfarbenen Farbton
Lustre Metallglanz
Hardness (Mohs) 4
Crystal System triklin, P1, P1

Chemism

Chemical formula

Pd8As3

Chemical composition

Arsen, Palladium

Unit weight: 1076.132806 u; Number of atoms in the formula: 11

Info

Empirical formula:

Pd8As3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Arsenic

As

20.89

3

27.27

74.9216020

224.7648060

Palladium

Pd

79.11

8

72.73

106.4210000

851.3680000

Analysis wt%

Pd : 77.20, As : 17.00, Sb : 5.60, PLT : 77.20 (Ref: Canadian Mineralogist 77)

Strunz 9th edition incl. updates

2.AC.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
A: Legierungen und legierungsartige Verbindungen
C: Verbindungen von Halbmetallen mit Platin-Gruppen-Elementen (PGE)
10:Stillwaterit-Gruppe

Lapis Classification

II/A.05-040

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
A: Legierungen und legierungsartige Verbindungen
5: mit Metallen der Platin-gruppe (v.a. Pd)

Classification by Hölzel

2.AC.250

2: SULFIDES
A: Alloys of Cu,Ag,Au,Ni,Pd with As,Sb,Bi,(Te)
C: With Pd
2: Stillwaterite-Group

Hey's Chemical Index of Minerals

03.12.29

03: Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12: Sulphides etc. of the platinum metals

Dana 8th edition

02.16.05.01

02: Sulfide Minerals
16: Sulfides - Including Selenides and Tellurides with miscellaneous formulae

IMA status

Neudefinition von der CNMNC anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß mit gelblich cremfarbenen Farbton

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Reflectivity: (Lambda nm) ↓, ↑, Ø

(400) 43.90, 44.50, 44.20
(420) 44.70, 45.80, 45.25
(440) 45.70, 46.50, 46.10
(460) 46.80, 47.80, 47.30
(480) 48.10, 49.40, 48.75
(500) 49.40, 50.80, 50.10
(520) 50.80, 52.40, 51.60
(540) 52.10, 53.90, 53.00
(560) 53.20, 55.10, 54.15
(580) 54.40, 56.40, 55.40
(600) 55.40, 57.30, 56.35
(620) 56.40, 58.10, 57.25
(640) 57.00, 58.80, 57.90
(660) 57.70, 59.20, 58.45
(680) 58.20, 59.80, 59.00
(700) 58.80, 60.00, 59.40

Reflection chart Arsenopalladinite

Reflectivity Ø

52.76

Crystallography

Crystal System

triklin

Class (H-M)

1, 1

Space Group number

1, 2

Space Group

P1, P1

Cell parameters a (Å)

7.3344(7)

Cell parameters b (Å)

7.3870(8)

Cell parameters c (Å)

7.5255(7)

Cell parameters a/b or c/a

0.993

Cell parameters c/b

1.019

Cell parameters α

98.869(8)

Cell parameters β

102.566(8)

Cell parameters γ

119.096(11)

Z

2

Volume (ų)

331.19

Crystal structure

aufgeklärt, Oxana V. Karimova; Andrey A. Zolotarev; Bo S. Johanson ; Tatiyana L. Evstigneeva: The crystal structure of arsenopalladinite, Pd8As2.5Sb0.5, and its relation to mertieite-II, Pd8Sb2.5As0.5. Mineralogical Magazine Vol. 84, Nr. 5 (2020) S. 746-752.

X-Ray Powder Diffraction

2.34(60),
2.28(20),
2.19(20),
2.13(100),
1.41(40),
1.39(20),
1.24(30),
1.21(30)

XRD chart Arsenopalladinite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Physical Properties

Hardness (Mohs)

4

VHN (Hardness Vickers)

407 (100g)

Density (g/cm³)

11.02 (berechnet) 10.4 (gemessen)

10.791 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Brasilien/Südosten (Região Sudeste)/Minas Gerais/Itabira

Preface

Author (Name, Year)

Claringbull & Hey, 1956

References

Mineralogical Magazine 39 (1974), 528

Other languages

Spanish

Arsenopaladinita

German

Arsenopalladinit

French

Arsenopalladinite

English

Arsenopalladinite

Russian

Арсенопалладинит

Alternative Name

Spanish

Arsenopalladinita

CNMNC symbol

Symbol

Apdn

Locations with GPS information

IDs

GUSID (Global unique identifier short form) rWLJFnPmqUO3FhbOcO6VTg
GUID (Global unique identifier) 16C962AD-E673-43A9-B716-16CE70EE954E
Database ID 204